Service jack



FIG. 1 is a right side perspective view of the service jack as show in FIG. 1;

FIG. 2 is a left side view of the service jack as shown in FIG. 1; the right side being a mirror image thereof;

FIG. 3 is a rear view of the service jack as shown in FIG. 1;

FIG. 4 is a bottom view of the service jack as shown in FIG. 1;

FIG. 5 is a front view of the service jack as shown in FIG. 1;

FIG. 6 is a right rear perspective view of the service jack as shown in FIG. 1; and,

FIG. 7 is a top view of the service jack as shown in FIG. 1. 

CLAIM The ornamental design for a service jack, as shown and described. 